Title:Strategic Mass KillingsAuthor(s):ESTEBAN, Joan; MORELLI, Massimo; ROHNER, DominicDate:2010Type:Working PaperSeries/Number:EUI ECO; 2010/23Abstract:Since World War II there have been about fifty episodes of large-scale mass killings of civilians and massive forced displacements. They were usually meticulously planned and independent of military goals. We provide a ...

Title:Friendship SelectionAuthor(s):RIVAS, JavierDate:2007Type:Working PaperSeries/Number:EUI ECO; 2007/08Abstract:We model the formation of friendships as repeated cooperation within a set of heterogeneous players. The model builds around three of the most important facts about friendship: friends help each other, there is reciprocity ...

Title:Imitation and Selective Matching In Reputational GamesAuthor(s):VIGNOLO, ThierryDate:2007Type:Working PaperSeries/Number:EUI ECO; 2007/31Abstract:This paper investigates imitation and selective matching in reputational
games with an outside option. We identify two classes of such games, which
are ultimatum and trust games. By selective matching we mean that ...